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Theorem topological_space.opens.is_basis.is_compact_open_iff_eq_finite_Union

Modification history

2023-02-09 19:18
src/topology/sets/opens.lean
refactor(topology/sets/opens): use a `structure` for `opens` and `open_nhds_of` (#18409) …
Added topological_space.opens.is_basis.is_compact_open_iff_eq_finite_UnionView on Github →